html, body, #app {
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  font-family: 'Avenir', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 加载中动画 */

.loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.sk-double-bounce {
  width: 4em;
  height: 4em;
  position: relative;
  margin: auto;
}

.sk-double-bounce .sk-child {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: rgba(35, 144, 216, 1);
  opacity: 0.6;
  position: absolute;
  top: 0;
  left: 0;
  -webkit-animation: sk-double-bounce 2.0s infinite ease-in-out;
  animation: sk-double-bounce 2.0s infinite ease-in-out;
}

.sk-double-bounce .sk-double-bounce-2 {
  -webkit-animation-delay: -1.0s;
  animation-delay: -1.0s;
}

@-webkit-keyframes sk-double-bounce {
  0%, 100% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  50% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}

@keyframes sk-double-bounce {
  0%, 100% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  50% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}

/* 记住密码去掉文本框背景色 */

input:-webkit-autofill, textarea:-webkit-autofill, select:-webkit-autofill {
  -webkit-text-fill-color: #ededed !important;
  -webkit-box-shadow: 0 0 0px 1000px transparent inset !important;
  background-color: transparent;
  background-image: none;
  transition: background-color 50000s ease-in-out 0s; //背景色透明  生效时长  过渡效果  启用时延迟的时间
}

input {
  background-color: transparent;
}

body,
menu,
main,
nav{
  margin: 0;
  padding: 0;
}